<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <!-- <input v-model="message" /> {{ message }} -->
        <div v-text="message" ></div>
    </div>
</body>
<script>
// 数据驱动 
const vm  = new Vue({
    el:"#app",
    data:{
        message:"<h1>数据</h1>"
    }
})
// setTimeout(() => {
//     // 数据响应
//     vm.message = "修改的数据";
// }, 1000);






</script>
</html>